Ammonia as (NH4+) Back Catalog number: 54112 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 5190-8309 Silver (Ag) standard, 1000µg/mL, in 5% HNO3, 100ml 701,40 Kč 5190-8354 Antimony 10,000ug/ml, 100ml 2 323,79 Kč 5191-4557 ICH/USP 232 Parenteral Combined 1_v2 6 800,82 Kč